/*
* Copyright 2005 Ralf Joachim
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.castor.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.castor.core.util.IdentityMap;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Run tests of the org.castor.util.IdentityMap.
*
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision$ $Date: 2006-04-29 04:11:14 -0600 (Sat, 29 Apr 2006) $
*/
public final class TestIdentityMap extends TestCase {
public static Test suite() {
TestSuite suite = new TestSuite("IdentityMap Tests");
suite.addTest(new TestIdentityMap("testConstructor"));
suite.addTest(new TestIdentityMap("testPut"));
suite.addTest(new TestIdentityMap("testClear"));
suite.addTest(new TestIdentityMap("testContainsKey"));
suite.addTest(new TestIdentityMap("testGet"));
suite.addTest(new TestIdentityMap("testRemove"));
suite.addTest(new TestIdentityMap("testKeySet"));
suite.addTest(new TestIdentityMap("testEntrySet"));
suite.addTest(new TestIdentityMap("testRehash"));
return suite;
}
public TestIdentityMap(final String name) { super(name); }
protected void setUp() { }
protected void tearDown() { }
public void testConstructor() {
IdentityMap map = new IdentityMap();
assertTrue(map.isEmpty());
assertTrue(map.size() == 0);
}
public void testPut() {
IdentityMap map = new IdentityMap();
Object key = new Integer(123);
Object original = "original value";
Object replaced = "replaced value";
Object result;
result = map.put(key, original);
assertFalse(map.isEmpty());
assertTrue(map.size() == 1);
assertNull(result);
result = map.put(key, replaced);
assertFalse(map.isEmpty());
assertTrue(map.size() == 1);
assertTrue(result == original);
result = map.put(new Integer(123), "value");
assertFalse(map.isEmpty());
assertTrue(map.size() == 2);
assertNull(result);
}
public void testClear() {
IdentityMap map = new IdentityMap();
map.put(new Integer(123), "value");
assertFalse(map.isEmpty());
assertTrue(map.size() == 1);
map.clear();
assertTrue(map.isEmpty());
assertTrue(map.size() == 0);
}
public void testContainsKey() {
IdentityMap map = new IdentityMap();
Object key1 = new Integer(123);
Object key2 = new Integer(123);
assertFalse(map.containsKey(key1));
assertFalse(map.containsKey(key2));
map.put(key1, "original value");
assertTrue(map.containsKey(key1));
assertFalse(map.containsKey(key2));
map.put(key1, "replaced value");
assertTrue(map.containsKey(key1));
assertFalse(map.containsKey(key2));
map.put(key2, "value");
assertTrue(map.containsKey(key1));
assertTrue(map.containsKey(key2));
}
public void testGet() {
IdentityMap map = new IdentityMap();
Object key1 = new Integer(123);
Object original = "original value";
Object replaced = "replaced value";
Object key2 = new Integer(123);
Object value = "value";
assertNull(map.get(key1));
assertNull(map.get(key2));
map.put(key1, original);
assertTrue(map.get(key1) == original);
assertNull(map.get(key2));
map.put(key1, replaced);
assertTrue(map.get(key1) == replaced);
assertNull(map.get(key2));
map.put(key2, value);
assertTrue(map.get(key1) == replaced);
assertTrue(map.get(key2) == value);
}
public void testRemove() {
IdentityMap map = new IdentityMap();
Object key1 = new Integer(123);
Object key2 = new Integer(123);
Object key3 = new Integer(123);
map.put(key1, "value 1");
map.put(key2, "value 2");
map.put(key3, "value 3");
assertTrue(map.size() == 3);
assertTrue(map.containsKey(key1));
assertTrue(map.containsKey(key2));
assertTrue(map.containsKey(key3));
map.remove(key2);
assertTrue(map.size() == 2);
assertTrue(map.containsKey(key1));
assertFalse(map.containsKey(key2));
assertTrue(map.containsKey(key3));
map.remove(key3);
assertTrue(map.size() == 1);
assertTrue(map.containsKey(key1));
assertFalse(map.containsKey(key2));
assertFalse(map.containsKey(key3));
map.remove(key1);
assertTrue(map.size() == 0);
assertFalse(map.containsKey(key1));
assertFalse(map.containsKey(key2));
assertFalse(map.containsKey(key3));
}
public void testKeySet() {
IdentityMap map = new IdentityMap();
Object key1 = new Integer(123);
Object key2 = new Integer(123);
Object key3 = new Integer(123);
map.put(key1, "value 1");
map.put(key2, "value 2");
map.put(key3, "value 3");
Set set = map.keySet();
assertTrue(set.size() == 3);
Iterator iter = set.iterator();
while (iter.hasNext()) {
Object test = iter.next();
assertTrue((test == key1) || (test == key2) || (test == key3));
}
}
public void testEntrySet() {
IdentityMap map = new IdentityMap();
Object key1 = new Integer(123);
Object key2 = new Integer(123);
Object key3 = new Integer(123);
map.put(key1, "value 1");
map.put(key2, "value 2");
map.put(key3, "value 3");
Set set = map.entrySet();
assertTrue(set.size() == 3);
Iterator iter = set.iterator();
while (iter.hasNext()) {
Object test = iter.next();
assertTrue(test instanceof Map.Entry);
Map.Entry entry = (Map.Entry) test;
Object key = entry.getKey();
Object value = entry.getValue();
assertTrue((key == key1) || (key == key2) || (key == key3));
if (key == key1) { assertEquals(value, "value 1"); }
if (key == key2) { assertEquals(value, "value 2"); }
if (key == key3) { assertEquals(value, "value 3"); }
}
}
public void testRehash() {
ArrayList keys = new ArrayList();
IdentityMap map = new IdentityMap();
for (int i = 0; i < 100; i++) {
Object key = new Integer(i);
Object value = "value " + i;
keys.add(key);
map.put(key, value);
}
for (int i = 0; i < 100; i++) {
Object key = keys.get(i);
assertTrue(map.containsKey(key));
Object value = "value " + i;
assertTrue(value.equals(map.get(key)));
}
}
}